Memory element consisting of an electrode (2), a ferroelectric layer (3)
adjoining the latter, a layer (4) made from non-ferroelectric material
adjoining the ferroelectric layer (3) and an electrode (5) adjoining the
layer (4) made from non-ferroelectric material, wherein the ferroelectric
layer is at least 10 nanometers thick, the electrical resistance, which
is formed by the non-ferroelectric layer and the ferroelectric layer,
depends upon the direction of polarization in the ferroelectric layer,
and wherein the memory element comprises means for measuring the
electrical resistance of the non-ferroelectric layer and the
ferroelectric layer.